Best HRV Monitors & Devices

Compare the top heart rate variability monitors — chest straps, smart watches, and rings

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Whoop 5.0

Whoop 5.0

$30/month
Type Wrist
Method PPG
Battery 4-5 days
Price Model Subscription

Best for serious athletes who want completely passive tracking and don't mind paying monthly. The training load and recovery insights are excellent, but you're locked into their ecosystem. The 5.0 adds SpO2 and temperature sensing in a smaller package.

Oura Ring 4

Oura Ring 4

$350-500
Type Ring
Method PPG
Battery 7-8 days
Price Model One-Time

Best for those who prioritize comfort and discretion. The ring form factor is ideal for sleep tracking, though the optional subscription is frustrating for a premium hardware purchase. The Gen 4 improves on accuracy and battery life over previous generations.

Polar H10

Polar H10

$90
Type Chest Strap
Method ECG
Battery 400 hours
Price Model One-Time

The accuracy benchmark. If you want the most precise HRV data and don't mind taking deliberate morning readings, the Polar H10 paired with a good app is hard to beat. Best value for serious tracking.

Apple Watch

Apple Watch

$400-800
Type Wrist
Method PPG
Battery 18-36 hours
Price Model One-Time

Convenient if you already wear one, but not recommended as a primary HRV device. The native Health app provides basic overnight HRV data, but dedicated devices offer much better insights.

Garmin Watches

Garmin Watches

$250-1000
Type Wrist
Method PPG
Battery 7-21 days
Price Model One-Time

Great for athletes already in the Garmin ecosystem. Recent models include solid HRV tracking, though features vary significantly across the lineup. The multi-week battery life is a major advantage.

Fitbit Sense 2 / Charge 6
Type Wrist
Method PPG
Battery 6+ days
Price Model One-Time

Good for general fitness users who want HRV as part of broader health tracking. The Premium subscription unlocks the best HRV insights, which adds to the cost. Best for those already using Fitbit for steps and sleep.

Samsung Galaxy Watch
Type Wrist
Method PPG + BioActive Sensor
Battery 1-2 days
Price Model One-Time

Best for Samsung phone users who want a full smartwatch with HRV capabilities. The BioActive sensor is capable, but HRV features aren't as refined as dedicated trackers. Battery life is the main limitation.

Amazfit Balance / GTR 4
Type Wrist
Method PPG
Battery 14-24 days
Price Model One-Time

Great value for those wanting HRV tracking without ongoing costs. The battery life is exceptional, and the Balance model includes solid health features. Just don't expect the same depth of HRV analysis as Whoop or Oura.

Polar Vantage V3
Type Wrist
Method PPG + ECG
Battery 8-12 days
Price Model One-Time

Premium multisport watch with serious HRV capabilities. The combination of optical and ECG sensors provides flexibility in how you measure. Best for serious athletes who want Polar's training science.

COROS Watches

COROS Watches

$249-700
Type Wrist
Method PPG
Battery 19-60 days
Price Model One-Time

Excellent choice for endurance athletes who prioritize battery life and GPS accuracy. HRV features are solid and improving with updates. The value proposition is strong compared to Garmin at similar price points.

Wahoo TICKR X

Wahoo TICKR X

$80-130
Type Chest
Method ECG
Battery 500 hours
Price Model One-Time

Best bang-for-buck ECG accuracy. Good for morning HRV readings with apps like Elite HRV or HRV4Training. The wide compatibility makes it a versatile choice for anyone serious about accurate HRV measurement.

Garmin HRM-Pro Plus
Type Chest
Method ECG
Battery 1 year
Price Model One-Time

The premium chest strap for Garmin users. ECG accuracy is excellent, and the ability to store data and track running dynamics adds value. Best paired with a Garmin watch.

Biostrap EVO
Type Wrist
Method PPG (clinical-grade)
Battery 2-3 days
Price Model One-Time

The most accurate wrist-based PPG device available, validated in clinical research. If accuracy is your priority but you can't tolerate a chest strap, Biostrap is the best option. The subscription adds ongoing cost.

Suunto Watches

Suunto Watches

$329-599
Type Wrist
Method PPG
Battery 16-26 days
Price Model One-Time

Premium outdoor watches with solid HRV capabilities. Best for adventurers who want rugged build quality and excellent navigation alongside recovery tracking. No subscription fees for full features.

Ultrahuman Ring Air
Type Ring
Method PPG
Battery 4-6 days
Price Model One-Time

A solid Oura alternative with no subscription fees. Strong HRV and sleep tracking in a comfortable form factor. Best for those who want ring-based tracking without ongoing costs.

Movesense Medical Sensor
Type Chest
Method ECG
Battery Rechargeable (varies)
Price Model One-Time

A medical-grade sensor platform used in clinical research and professional sports. Overkill for casual users but essential for researchers needing validated, raw ECG data with full SDK access.

AliveCor KardiaMobile 6L
Type Handheld
Method ECG
Battery ~200 readings
Price Model One-Time

A medical-grade ECG device designed for detecting heart rhythm issues, not daily HRV tracking. Best for those who need clinical-quality ECG readings or have concerns about arrhythmias. Not ideal as primary HRV device.

Withings ScanWatch 2
Type Wrist
Method PPG
Battery 30 days
Price Model One-Time

A hybrid smartwatch that looks like a classic timepiece while packing medical-grade sensors. Ideal for those who want health monitoring without the tech-forward appearance of typical smartwatches. The 30-day battery is exceptional.

Huawei Watch GT 5 Pro
Type Wrist
Method PPG
Battery 14 days
Price Model One-Time

A premium smartwatch with exceptional battery life and comprehensive health tracking including HRV. Popular internationally, especially in Europe and Asia. Best for those who prioritize battery life and don't need extensive app ecosystems.

Xiaomi Smart Band 9
Type Wrist
Method PPG
Battery 21 days
Price Model One-Time

The best budget entry point for HRV tracking. At under $50, it's an affordable way to start monitoring HRV and sleep without committing to expensive hardware. Accuracy is lower than premium devices, but adequate for learning the basics.

Emfit QS+Active
Type Under Mattress
Method BCG
Battery Plugged in
Price Model One-Time

The ultimate "set it and forget it" sleep and HRV tracker. Place it under your mattress and never think about it again. Popular with serious athletes and biohackers who want clinical-grade overnight data without wearing anything.

Apple Watch Ultra 2
Type Wrist
Method PPG
Battery 36-72 hours
Price Model One-Time

The premium Apple Watch for serious athletes and adventurers. If you need extreme durability, extended battery, and are deep in the Apple ecosystem, it's the best Apple has. For HRV-only use, regular Apple Watch is better value.

Garmin Fenix 8

Garmin Fenix 8

$999-1,199
Type Wrist
Method PPG
Battery Up to 29 days
Price Model One-Time

The ultimate multisport GPS watch with excellent HRV integration. Garmin's HRV Status feature provides 7-day trend analysis with colored status indicators. Best for serious endurance athletes who want everything in one device.

Garmin Forerunner 265
Type Wrist
Method PPG
Battery Up to 13 days
Price Model One-Time

The sweet spot in Garmin's lineup for runners and triathletes who want comprehensive HRV tracking without paying Fenix prices. Same HRV Status feature as flagship models at nearly half the cost.

Fitbit Sense 2
Type Wrist
Method PPG
Battery 6+ days
Price Model One-Time

A capable health-focused smartwatch at a reasonable price. The stress management features including EDA sensor set it apart. Best for general wellness tracking, though dedicated HRV users may prefer more data access.

Fitbit Charge 6
Type Wrist
Method PPG
Battery 7 days
Price Model One-Time

The best Fitbit for fitness tracking value. If you want a tracker (not full smartwatch) with HRV and don't need extensive data export, the Charge 6 delivers solid features at a reasonable price.

Google Pixel Watch 3
Type Wrist
Method PPG
Battery 24-36 hours
Price Model One-Time

Google's flagship smartwatch combining Wear OS with Fitbit's health tracking. Best for Android users who want a premium smartwatch with integrated HRV and health features. The larger 45mm model offers better battery life.

Samsung Galaxy Ring
Type Ring
Method PPG
Battery Up to 7 days
Price Model One-Time

Samsung's answer to Oura, with no subscription fees. If you're in the Samsung ecosystem and want a discreet ring tracker without ongoing costs, this is worth considering. However, it's newer with less validation than Oura.

Garmin Forerunner 970
Type Wrist
Method PPG + ECG
Battery Up to 15 days
Price Model One-Time

Garmin's flagship running watch for 2025 brings ECG capability to the Forerunner line for the first time. The new Health Status feature combines HRV, sleep, and training data into a comprehensive wellness view. Best for serious athletes who want medical-grade heart monitoring.

Garmin Venu 4

Garmin Venu 4

$450-550
Type Wrist
Method PPG
Battery Up to 12 days
Price Model One-Time

The Venu 4 focuses on the wellness-HRV connection, with lifestyle logging that tracks how caffeine and alcohol affect your recovery. The Health Status widget brings HRV, sleep, and stress data together. Best for health-conscious users who want to understand lifestyle impacts.

COROS Pace 4
Type Wrist
Method PPG
Battery 19 days / 41 hours GPS
Price Model One-Time

The best budget running watch of 2025, bringing AMOLED and dual-band GPS to the $249 price point. HRV and sleep tracking included with no subscription. Exceptional value for runners who want solid HRV data without premium pricing.

Suunto Race 2

Suunto Race 2

$499-599
Type Wrist
Method PPG
Battery 16-18 days / 55 hours GPS
Price Model One-Time

Suunto's flagship gets bigger, brighter, and more accurate in 2025. The improved optical heart rate sensor addresses past accuracy complaints. Best for outdoor athletes who want premium build quality and exceptional battery life alongside HRV tracking.

Type Ear Clip
Method PPG (ear clip)
Battery Rechargeable, ~1 week
Price Model One-Time

The HeartMath Inner Balance is a dedicated biofeedback device that uses an ear clip sensor to measure HRV in real time. It pairs with the HeartMath app to guide coherence breathing sessions, making it the best option for stress management and biofeedback training rather than passive HRV tracking.

Type Fingertip
Method PPG (fingertip)
Battery Rechargeable, ~2 weeks
Price Model One-Time

The CorSense is a dedicated fingertip HRV sensor from Elite HRV that delivers near-clinical accuracy in a compact form factor. It connects to the Elite HRV app for morning readiness readings and pairs with several third-party apps, making it a top choice for serious HRV practitioners who want precise spot-check measurements.